[intro] We would like to thank everyone who contributed to this application. This application was developed by and for the KU Leuven department of Materials Engineering Kasteelpark Arenberg 44 3001 Heverlee België [functional] Nicolas Lauwereys Joop van Deursen [technical] Nicolas Lauwereys [contributors] Christian Breite, Liubov Lukina, Ali Khodayari, Amy Van den Bulck, Arne Peys, Camille D'Haeyer, David Seveno, Ensieh Yousefi, Evita Willems, Gilles Koolen, Karel Van Acker, Koba Van Loo, Mahoor Mehdikhani, Martine Wevers, Matthias Bönisch, Merve Kübra Aktan, Rafael Mota dos Santos, Ruben Windey, Sam Eggermont, Steve De Pooter, Tom Van der Donck. [references] Wikipedia contributors "article" Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 23 Aug. 2018. Web. 5 Sep. 2018. Element data: Paul Alan Freshney Periodic Table (freshney.org) Critical Raw Materials - EC 2017